CVE-2018-8099

libgit2: denial of service (DoS) via crafted repository index files

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Severity

Low

Red Hat Product Security

4.3

CVSS 3.0

Review impact separately from score.

Published · March 8, 2018

Updated · November 22, 2025

Description

Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26.2, which allows an attacker to cause a denial of service via a crafted repository index file.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.3
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-125 · Out-of-bounds Read